Question

I need answers
with full explanation ​

Answer 1

Answer:

x/3

+

20

x/3

+

60

x/3

=

30

x

+

60

x

+

180

x

=

180

6x+3x+x

=

180

10x

=

18

x

hrs Then average speed = =

Totaltimetaken

Totaldistancetravelled

=

x/18

x

km/hr = 18 km/hr

Answer 2

Step-by-step explanation:

side = 7 / 3

base = 4/ 3

perimeter = sum of all sides

= 2x 7/3 = 14/ 3

= 14/3 + 4/ 3

= 18/3

= 6 cm